People started losing their job and with their job losing money also.
Answer:
the boogie man did naww jk idk honestly
Explanation:
By discovering nuclear energy
1. When you fight for your religion, you fight to the death.
2. The use of the cannon and gun helped them overcome the Byzantine Empire, and solidify their rule over conquered lands.
3. The weakness of North Africa after the fall of Rome made it easier for the Arabs to conquer it.